11/3/12 7:00 AM EDT

PPP is in line with 4 other pollsters – including Rasmussen – who have shown Warren with a 5 to 7 point edge since late October.

If Brown falls short on Tuesday, he’ll rate as one of the most popular incumbents ever to lose a re-election bid. Many of his Senate colleagues would die for his approval ratings: according to PPP, 52 percent approve of his job performance, compared to just 36 percent who disapprove.